Oneok is one of the most successful companies in the Energy sector. As of the year 2018, it generated revenues of $12,174 million (36.50% year-over-year change). Reported profit was of $387.80 million. The current CEO Terry K. Spencer (President, Chief Executive Officer & Director) currently manages more than 2,470 employees. The company's headquarters is located in Tulsa, OK. Yes, Oneok is a Fortune 1000 company. Its current rank is top 249 US company. It has been on the list for 16 years.